19941525

素因数分解:

$3^3\times 5^2\times {\mathrm{31}}^1\times {\mathrm{953}}^1$

素因数の和:1003

約数の個数: 48

約数和(自身を含む): 37854720

約数和(自身を除く): 17913195

約数列:

[1, 3, 5, 9, 15, 25, 27, 31, 45, 75, 93, 135, 155, 225, 279, 465, 675, 775, 837, 953, 1395, 2325, 2859, 4185, 4765, 6975, 8577, 14295, 20925, 23825, 25731, 29543, 42885, 71475, 88629, 128655, 147715, 214425, 265887, 443145, 643275, 738575, 797661, 1329435, 2215725, 3988305, 6647175, 19941525]

約数ペア:

[(1, 19941525), (3, 6647175), (5, 3988305), (9, 2215725), (15, 1329435), (25, 797661), (27, 738575), (31, 643275), (45, 443145), (75, 265887), (93, 214425), (135, 147715), (155, 128655), (225, 88629), (279, 71475), (465, 42885), (675, 29543), (775, 25731), (837, 23825), (953, 20925), (1395, 14295), (2325, 8577), (2859, 6975), (4185, 4765)]